US11977683B2 - Modular systems configured to provide localized haptic feedback using inertial actuators - Google Patents
Modular systems configured to provide localized haptic feedback using inertial actuators Download PDFInfo
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- US11977683B2 US11977683B2 US17/200,640 US202117200640A US11977683B2 US 11977683 B2 US11977683 B2 US 11977683B2 US 202117200640 A US202117200640 A US 202117200640A US 11977683 B2 US11977683 B2 US 11977683B2
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
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- F16F15/1203—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by manufacturing, e.g. assembling or testing procedures for the damper units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
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- G—PHYSICS
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
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Definitions
- the described embodiments generally relate to providing haptic feedback. More particularly, the described embodiments relate to providing haptic feedback using inertial actuators.
- Haptic feedback may be provided to a user of an electronic device in various ways.
- haptic feedback may be provided by purely mechanical means, such as a buckling dome or spring-loaded mechanism that clicks, pops, or snaps as a button or key is depressed, or by a ball and detent mechanism that provides clicks as a crown or knob is rotated.
- haptic feedback may be provided by electromechanical means, such as an inertial actuator that shakes an entire device, or by a piezoelectric actuator, shape memory alloy, or reluctance-based actuator that applies a force or vibration directly to a button, key, crown, or knob.
- Factors that influence the selection of a haptic feedback device for a particular application include, for example, the size or cost of the electronic device, the available area or space on or within the device, the type of haptic feedback desired, whether haptic feedback can be provided globally or needs to be provided locally, the degree to which an input device (e.g., a button, key, crown, or knob) can move or needs to be water-proofed, and so on.
- an input device e.g., a button, key, crown, or knob
- Embodiments of the systems, devices, methods, and apparatus described in the present disclosure are directed to modular systems for providing localized haptic feedback and, more particularly, modular systems that include inertial actuators.
- inertial actuators e.g., linear resonant actuators (LRMs), eccentric rotating masses (ERMs), and so on
- LRMs linear resonant actuators
- ERPs eccentric rotating masses
- an inertial actuator is typically used to shake an entire device.
- an input device may be separated from a device's housing by a dampening mechanism, and an inertial actuator may be coupled to the input device to shake the input device and provide localized haptic feedback to the input device (i.e., with minimal or significantly damped shaking of the housing).
- the present disclosure describes an electronic device.
- the electronic device may include a housing defining an aperture.
- An input device may extend through the aperture and have a user input surface external to the housing.
- An inertial actuator may be mechanically and fixedly coupled to the input device and positioned within the housing.
- a mechanical wave dampener may provide mechanical wave dampening between the input device and the housing.
- the present disclosure describes another electronic device.
- the electronic device may include a housing, a haptic feedback device, and an elastomer.
- the haptic feedback device may extend through the housing and include an input module having a user input surface, and an inertial actuation module that is rigidly attached to the input module.
- the elastomer may mechanically isolate the haptic feedback device from the housing.
- the present disclosure describes another electronic device.
- the electronic device may include a housing having an interior volume, a haptic feedback device, and a dampener.
- the haptic feedback device may include an input device extending through the housing, and an inertial actuator that is attached to the input device and configured to shake the input device.
- the dampener may be positioned between the haptic feedback device and the housing, and may be configured to dampen a propagation of mechanical waves traveling from the input device toward the housing.
- FIGS. 1 A- 1 C show an example portion of an electronic device, including an input device
- FIG. 2 shows an example body of an input device
- FIG. 3 shows an example of an inertial actuator
- FIG. 4 shows an example two-piece dampener
- FIGS. 5 A and 5 B show an assembled form of the housing, input device, inertial actuator, and dampener described with reference to FIGS. 2 - 4 ;
- FIG. 6 shows an example of a headset that includes a crown
- FIG. 7 shows an example of an electronic watch that includes a crown and a button
- FIG. 8 shows an example of a mobile phone that includes a pair of buttons
- FIG. 9 shows a sample electrical block diagram of an electronic device.
- cross-hatching or shading in the accompanying figures is generally provided to clarify the boundaries between adjacent elements and also to facilitate legibility of the figures. Accordingly, neither the presence nor the absence of cross-hatching or shading conveys or indicates any preference or requirement for particular materials, material properties, element proportions, element dimensions, commonalities of similarly illustrated elements, or any other characteristic, attribute, or property for any element illustrated in the accompanying figures.
- Haptic feedback is often provided by smaller mobile devices (e.g., phones, tablet or laptop computers, media players, and so on) and wearable devices (e.g., watches, headsets, earphones, fitness tracking devices, health monitoring devices, and so on) by shaking the entire device.
- the means for shaking the device is typically an inertial actuator, such as an LRA or an ERM.
- Inertial actuators are cost-effective and provide good haptic feedback.
- the haptic feedback is provided globally (i.e., the entire device is shaken), which may increase power consumption and, in some cases, provide a poor user experience.
- haptic feedback may be provided locally, such as to an input device (e.g., to a button, key, crown, or knob).
- an input device e.g., to a button, key, crown, or knob.
- a force or vibration may be provided directly to the input device using a piezoelectric actuator, shape memory alloy, or reluctance-based actuator.
- the input device and its haptic feedback mechanism need to be closely integrated—often requiring a custom-designed and design-intense solution.
- a user may be tricked into thinking haptic feedback is being provided locally when, in fact, it is being provided globally.
- an inertial actuator may shake the entirety of a watch body when a user's finger is on a crown or button on the watch body, and the greater tactile sensitivity of a user's finger may cause the user to believe that haptic feedback is only being provided at the crown.
- a higher frequency (or sharper) waveform may be used to mimic purely mechanical haptic feedback, which can sometimes improve the illusion of providing haptic feedback locally when, in fact, it is being provided globally.
- Embodiments of the systems, devices, methods, and apparatus described in the present disclosure are directed to modular systems for providing localized haptic feedback and, more particularly, modular systems that provide localized haptic feedback using inertial actuators.
- the haptic feedback may be localized by coupling (e.g., attaching or anchoring) the inertial actuator directly to an input device, and using an elastomer, foam, springs, or other form of dampening material or mechanism to dampen the propagation of mechanical waves from the input device (or inertial actuator) to a device's housing.
- FIGS. 1 A- 9 These and other aspects are described with reference to FIGS. 1 A- 9 . However, those skilled in the art will readily appreciate that the detailed description given herein with respect to these figures is for explanatory purposes only and should not be construed as limiting.
- FIGS. 1 A- 1 C show an example portion 100 of an electronic device.
- the portion 100 of the device includes a housing 102 and an input device 104 .
- the input device 104 extends through an aperture 106 defined by the housing 102 .
- FIG. 1 A shows a perspective view of the housing 102 and input device 104 , as might be seen by a user of the device.
- FIG. 1 B shows a cross-section of the housing 102 and input device 104 .
- FIG. 1 C shows a plan view of the housing 102 and input device 104 .
- the housing 102 is shown to have a convex exterior surface 108 .
- a well 110 may be formed in the convex exterior surface 108 , and the input device 104 may be disposed at least partially within the well 110 and at least partially outside the well 110 (e.g., outward from the convex exterior surface 108 of the housing 102 ).
- the input device 104 may be flush with the convex exterior surface 108 , or may be set back from the top of the well 110 .
- the well 110 may not be provided, and the input device 104 may extend through the aperture 106 and extend outward from (or sit flush or inward from) the convex exterior surface 108 .
- the convex exterior surface 108 may be flat, concave, or have other surface features.
- the housing 102 may be formed from one or more of a polymer (plastic), glass, metal (e.g., aluminum, steel, or chrome), or other materials.
- the input device 104 may take the form of a crown.
- the crown may have a user input surface 112 external to the housing 102 .
- the crown may be immovable.
- electromechanical haptic feedback may be provided to a user to acknowledge the user's attempted rotations, pushes, or pulls.
- the electromechanical haptic feedback may simulate mechanical haptic feedback to give the illusion that the crown is actually being rotated, pushed, or pulled.
- the crown may actually be rotated, pushed, or pulled, and electromechanical haptic feedback may be used to acknowledge or accentuate the user's rotations, pushes, or pulls of the crown.
- the input device 104 may take the form of a button, knob, or other type of input device.
- FIG. 1 B shows an aperture 106 through which the input device 104 may extend.
- the aperture may be formed by a singular piece of the housing 102 , as shown, or the aperture may be formed by two abutting pieces of the housing 102 .
- the aperture 106 may be formed between a sidewall and a front or rear cover of the housing 102 .
- the input device 104 may have a user input surface 112 external to the housing 102 , and a body 114 (or shaft) that protrudes into an interior volume 116 of the housing 102 .
- the input device 104 may have a cap 118 that provides the user input surface 112 , and the cap 118 may be attached to (e.g., screwed onto, snapped onto, or glued to) the body 114 .
- the fitment of the body 114 and the cap 118 in combination with a dampener 120 , may secure the input device 104 to the housing 102 .
- the input device 104 may further include a fastener 122 (e.g., a nut or spring clip) that, in combination with the body 114 and the dampener 120 , secures the input device 104 to the housing 102 .
- a fastener 122 e.g., a nut or spring clip
- the cap 118 may be configured to provide a more pleasing user input surface 112 , and the cap 118 need not necessarily be a structural member.
- the input device 104 may include, or be integrated with, electrical or electromechanical circuits (e.g., capacitive, resistive, ultrasonic, magnetic, pressure-sensitive, or other types of circuits) that are used to detect or quantify user input provided on or near the user input surface 112 .
- electrical or electromechanical circuits e.g., capacitive, resistive, ultrasonic, magnetic, pressure-sensitive, or other types of circuits
- An inertial actuator 124 may be mechanically and fixedly coupled to the input device 104 and positioned within the housing 102 .
- the inertial actuator 124 may be mechanically and fixedly coupled to the input device 104 using glue, weld, or a crimp.
- the inertial actuator 124 may have a pair of spaced apart tabs 126 that are glued or welded to opposite sides of the body 114 of the input device 104 .
- the inertial actuator 124 may be mechanically and fixedly coupled to the input device 104 using a bracket, screws, or nuts and bolts.
- the inertial actuator 124 may be mechanically and fixedly coupled to the input device 104 by a connector, which connector may or may not carry electrical signals to or from the input device 104 .
- the “fixed” aspect of the inertial actuator 124 to input device 104 coupling may take the form of a rigid attachment (i.e., a coupling that transfers substantially all of the inertial actuator's movement (>90%) to the input device 104 ) or a semi-rigid coupling (i.e., a coupling that transfers a majority (>50%) or high percentage (>80%) of the inertial actuator's movement to the input device 104 ).
- the inertial actuator 124 may take various forms, and in some cases may be or include an LRA or ERM.
- the inertial actuator 124 may be suspended from the input device 104 within the housing 102 , and may lack any sort of rigid or semi-rigid coupling with the housing 102 .
- a foam, gel, or other type of padding or filler may be provided between the inertial actuator 124 and the housing 102 .
- padding or fillers that tend to dampen versus propagate motion of the inertial actuator 124 are not deemed to couple the inertial actuator 124 to the housing 102 .
- a flexible interconnect 128 may be coupled to the inertial actuator 124 and configured to carry control signals provided to the inertial actuator 124 .
- Conductors included in or on the flexible interconnect 128 may be electrically coupled to both the inertial actuator 124 and a controller 130 (e.g., a circuit, microcontroller, or processor).
- the flexible interconnect 128 may be shared with the input device 104 (e.g., the flexible interconnect 128 may be a shared flexible interconnect). In these cases, the flexible interconnect 128 may also carry input signals generated by the input device 104 (and, in some cases, control signals provided to the input device 104 ) from/to the controller 130 (or to a different controller).
- the flexible nature of the flexible interconnect 128 may enable the inertial actuator 124 to move freely (or relatively freely) and may tend not to propagate mechanical waves generated by the inertial actuator 124 .
- the inertial actuator 124 When activated, the inertial actuator 124 may shake the input device 104 . The shaking may produce periodic or somewhat random vibrations.
- the controller 130 may operate the inertial actuator 124 in accord with a periodic or aperiodic activation signal (or waveform).
- the controller 130 may apply different activation waveforms to the inertial actuator 124 . For example, a first activation waveform, having a first profile, may be applied to the inertial actuator 124 when a user initiates a scroll operation on the input device 104 , and a second activation waveform, having a second profile different from the first profile, may be applied to the inertial actuator 124 when the user initiates a push operation on the input device 104 . Because the input device 104 is separated from the housing 102 by the dampener 120 , the controller 130 is able to provide localized haptic feedback to the input device 104 , with less or none of the haptic feedback being provided to the housing 102 .
- the input device 104 may provide a haptic feedback device 132 that extends through the housing 102 .
- the input device 104 may extend through the housing 102 , as shown.
- the inertial actuator 124 may additionally or alternatively extend through the housing 102 .
- the dampener 120 may be positioned between the haptic feedback device 132 and the housing 102 .
- the dampener 120 may be positioned between the input device 104 and the housing 102 and, in some cases, the dampener 120 may additionally or alternatively be positioned between the inertial actuator 124 and the housing 102 .
- the dampener 120 may be configured to mechanically isolate the haptic feedback device 132 from the housing 102 , such as by dampening a propagation of mechanical waves traveling from the input device 104 toward the housing 102 .
- the dampener 120 may be configured to dampen the mechanical waves by an order of magnitude or more before they reach the housing 102 , and in some cases the dampener 120 may totally prevent mechanical waves generated by the haptic feedback device 132 from reaching the housing 102 .
- the dampener 120 may take the form of a grommet (e.g., an elastomer grommet) that surrounds a cross-section of the haptic feedback device 132 (e.g., a cross-section of the input device 104 ) and fits around a lip 134 ( FIG. 1 C ) of the housing 102 .
- the lip 134 may have a circular or other-shaped perimeter.
- the grommet may extend over interior and exterior surfaces of the lip 134 , with the lip 134 sandwiched between opposing surfaces of the grommet.
- Opposing interior surfaces of the grommet may extend over interior and exterior surfaces of the lip 134 , with the lip 134 sandwiched therebetween.
- Opposing surfaces of the input device 104 e.g., opposing surfaces of the body 114 and the fastener 122 ) may be seated against opposing exterior surfaces of the grommet and compress the grommet and lip 134 therebetween.
- the dampener 120 may include a pair of elastomers that respectively seat against the opposing interior and exterior surfaces of the lip 134 , or one or more springs (e.g., one or more coil springs or spring washers), or other components.
- the dampener 120 may include one or more foam, gel-filled, or paper (e.g., cardboard) components; or in the case of spring-type dampeners, the dampener 120 may include one or more metal components.
- the dampener 120 may be tuned to dampen a particular type or range of mechanical waves, generated by a particular type or range of haptic feedback provided by the inertial actuator 124 .
- Properties of the dampener 120 that may be tuned include its composition, thickness, hardness, width, cross-section, fill, spring constant, and so on.
- the dampener 120 may be fluid-filled (e.g., air-filled or gel-filled).
- the dampener 120 may have nubs, dimples, rings, or other features that provide a stand-off (e.g., air-filled gaps) between the housing 102 and portions of the dampener 120 .
- the dampener 120 may allow for more movement, or for particular kinds of movement, in some directions but not others. If the inertial actuator 124 is configured to move the input device 104 in and out with respect to the housing 102 , the dampener 120 may be relatively thicker than if the inertial actuator 124 is configured to move the input device 104 side-to-side or tilt the input device 104 . When the dampener 120 includes an elastomer, the elastomer may in some cases be silicone rubber.
- the modular nature of the haptic feedback device 132 can enable it to be implemented in a variety of devices and used for a variety applications.
- a designer of the haptic feedback device 132 may select an input module (i.e., a module including an input device, such as a crown, button, keycap, or knob) from a set of off-the-shelf input modules, and select an inertial actuation module (i.e., a module including an inertial actuator), and then mechanically and fixedly attach the modules together to form the haptic feedback device 132 .
- the modular haptic feedback device 132 may then be inserted into the aperture 106 of the housing 102 , and may be separated from the housing 102 by the dampener 120 .
- a modular solution makes it possible to test the operation of the components individually (e.g., as compared to a custom-designed integrated solution).
- FIGS. 2 - 5 B illustrate specific examples of an input device, an inertial actuator, a dampener, and an assembled haptic feedback device that extends through a housing.
- FIG. 2 shows an example body 200 of an input device.
- the body 200 includes a base 202 and a neck 204 .
- the base 202 may include various types of sensing or control circuitry.
- the neck 204 may extend from the base 202 , and in some cases may be configured to mate with a fastener.
- the neck 204 may be threaded, and may receive a nut that helps retain the neck 204 within an aperture of a housing.
- a fixed or rotatable shaft 206 may in some cases extend through the neck 204 .
- a cap such as the cap described with reference to FIG. 1 B , may be attached to the shaft 206 .
- a flexible interconnect 208 may be electrically connected to the circuitry housed within the base 202 .
- FIG. 3 shows an example inertial actuator 300 .
- the inertial actuator 300 may be an LRA or ERM.
- Moving components of the inertial actuator 300 may be housed within a cylindrical or other-shaped body 302 .
- a pair of tabs 304 , 306 may extend from the body 302 and provide a means for mechanically and fixedly coupling the inertial actuator 300 to an input device (e.g., by gluing, welding, or crimping).
- the tabs 304 , 306 or another form of bracket, may include holes through which screws or bolts may be inserted to attach the inertial actuator 300 to an input device.
- a flexible interconnect 308 may be electrically connected to the circuitry housed within the body 302 .
- FIG. 4 shows an example two-piece dampener 400 , including a first washer or component 402 and a second washer or component 404 .
- the first component 402 may be seated against an exterior of a housing 406
- the second component 404 may be seated against an interior of the housing 406 .
- the first and second components 402 , 404 may be compressed between surfaces of an input device, and may function as a mechanical wave dampener.
- One or both of the components may have a neck or protrusion 408 around its aperture 410 , which neck or protrusion 408 may extend through an aperture 412 in the housing 406 and isolate an input device or haptic feedback device from the walls of the aperture 412 .
- first and second components 402 , 404 may be replaced by a grommet, as shown in FIG. 1 B .
- FIGS. 5 A and 5 B show an assembled form of the housing 406 , input device, inertial actuator 300 , and dampener 400 described with reference to FIGS. 2 - 4 .
- the tabs e.g., tab 306
- the inertial actuator 300 may be positioned against opposite surfaces of the base 202 of the input device 500 .
- the tabs 304 , 306 may be glued or welded to the base 202 .
- the body 302 of the inertial actuator 300 is shown to be positioned to one side of the base 202 (i.e., laterally offset from the base 202 ), the body 302 of the inertial actuator 300 may alternatively be positioned at an end of the base 202 or body 200 of the input device 500 (e.g., in an in-line configuration). The position of the body 302 of the inertial actuator 300 with respect to the base 202 or body 200 of the input device 500 may be adjusted, as desired, for a particular application.
- the dampener components 402 , 404 may be positioned against respective interior and exterior surfaces of the housing 406 , around the aperture 412 in the housing 406 . Then, the neck 204 of the input device 500 may be inserted into the aperture 412 . The neck 204 may be retained within the aperture 412 by threading a nut 502 onto the neck 204 . The nut 502 may be tightened to compress the dampener components 402 , 404 and form a seal that prevents fluid or other environmental contaminants from entering the interior of a device through the aperture 412 .
- a cap 504 may be snapped, glued, or threaded onto the neck 204 of the input device 500 and/or may be coupled to a shaft that extends through the neck 204 of the input device 500 .
- the inertial actuator 300 may be configured to move along an axis 550 of its cylindrical body 302 , thereby providing haptic feedback to the cap 504 by causing the cap 504 to tilt one direction and then the opposite direction (e.g., to the left and to the right in FIG. 5 B ).
- Linear movement within the inertial actuator 300 may be converted to nonlinear movement of the cap 504 .
- the inertial actuator 300 could be configured to generate movements that are more or less parallel to an axis of the neck 204 and cap 504 , such that the cap 504 moves inward and outward from a device to provide haptic feedback to a user of the device.
- FIGS. 6 - 8 show various examples of devices that may incorporate a crown or button configured as described with reference to any of FIGS. 1 A- 5 B .
- FIG. 6 shows an example of a headset 600 that includes a crown 602 .
- the crown 602 may be used to turn the headset 600 on; to adjust the volume of the headset 600 ; or for other purposes. If an inertial actuator were to be anchored to the housing 604 of an ear cup 606 of the headset 600 , and haptic feedback were to be provided globally to the ear cup 606 , the haptic feedback may provide an unfavorable user experience to a user of the headset 600 .
- shaking of the ear cup 606 might be felt on the user's ear instead of on the user's finger (e.g., as they operate the crown 602 with their finger. Perhaps worse, the shaking of the ear cup 606 might generate sound waves which interfered with the user's enjoyment of the audio produced by the headset 600 .
- Configuring the crown 602 similarly to the haptic feedback devices described with reference to FIGS. 1 A- 5 B enables haptic feedback to be provided to the crown 602 , while dampening the propagation of mechanical waves provided to the crown 602 so that they do not travel to the ear cup 606 (or are dampened as they travel from the crown 602 toward the ear cup 606 ).
- FIG. 7 shows an example of an electronic watch 700 or other wearable device (e.g., a health monitoring device or a fitness tracking device).
- the watch 700 may include a body 702 (e.g., a watch body) and a band 704 .
- the band 704 may be used to attach the watch body 702 to a body part (e.g., an arm, wrist, leg, ankle, or waist) of a user.
- a housing of the watch body 702 may include a sidewall 706 that at least partially surrounds a display 708 .
- the sidewall 706 may support other housing components, such as a front cover 710 or a rear cover.
- the front cover 710 may be positioned over the display 708 , and may provide a window through which the display 708 may be viewed.
- the display 708 may be attached to (or abut) the sidewall 706 and/or the front cover 710 . In alternative embodiments of the watch 700 , the display 708 may not be included and/or the sidewall 706 may have an alternative configuration.
- the various components of the device's housing may be formed from the same or different materials.
- the sidewall 706 may be formed using one or more metals (e.g., stainless steel), polymers (e.g., plastics), ceramics, or composites (e.g., carbon fiber).
- the front cover 710 may be formed, for example, using one or more of glass, a crystal (e.g., sapphire), or a transparent polymer (e.g., plastic) that enables a user to view the display 708 through the front cover 710 .
- a portion of the front cover 710 may be coated with an opaque ink to obscure components included within the housing.
- the rear cover may be formed using the same material(s) that are used to form the sidewall 706 or the front cover 710 . In some cases, the rear cover may be part of a monolithic element that also forms the sidewall 706 . In still other embodiments, all of the exterior components of the housing may be formed from a transparent material, and components within the watch 700 may or may not be obscured by an opaque ink or opaque structure within the housing.
- the front cover 710 may be mounted to the sidewall 706 to cover an opening defined by the sidewall 706 (i.e., an opening into an interior volume in which various electronic components of the watch 700 , including the display 708 , may be positioned).
- the front cover 710 may be mounted to the sidewall 706 using fasteners, adhesives, seals, gaskets, or other components.
- a display stack or device stack (hereafter referred to as a “stack”) including the display 708 may be attached (or abutted) to an interior surface of the front cover 710 and extend into the interior volume of the watch 700 .
- the stack may include a touch sensor (e.g., a grid of capacitive, resistive, strain-based, ultrasonic, or other type of touch sensing elements), or other layers of optical, mechanical, electrical, or other types of components.
- the touch sensor (or part of a touch sensor system) may be configured to detect a touch applied to an outer surface of the front cover 710 (e.g., to a display surface of the watch 700 ).
- the display 708 may include one or more light-emitting elements and may be configured, for example, as a light-emitting diode (LED) display, an organic LED (OLED), a liquid crystal display (LCD), an electroluminescent (EL) display, or other type of display.
- the display 708 may include, or be associated with, one or more touch, force, and/or pressure sensors that are configured to detect a touch, force, and/or pressure applied to a surface of the front cover 710 .
- the watch body 702 may include an input or selection device, such as a crown 712 or a button 714 .
- the crown 712 or the button 714 may be used to control various aspects of the watch 700 .
- the crown 712 may be used to select an application displayed by the display 708 , select a watch function, adjust a volume of a speaker, adjust a brightness of the display 708 , provide a biometric, and so on.
- the button 714 may in some cases be used to turn the watch 700 on or off.
- an inertial actuator may be attached to the crown 712 or the button 714 , or different inertial actuators may be attached to each of the crown 712 and the button 714 .
- an inertial actuator may be attached to the crown 712 or the button 714 as described with reference to any of FIGS. 1 A- 5 B .
- the watch 700 may further include various sensor systems.
- the watch 700 may include one or more cameras, speakers, microphones, or other components (e.g., audio, imaging, and/or sensing components) that are configured to transmit or receive signals to/from the watch 700 .
- the watch 700 may have a port 716 (or set of ports) on the sidewall 706 (or elsewhere), and an ambient pressure sensor, ambient temperature sensor, internal/external differential pressure sensor, gas sensor, particulate matter sensor, or air quality sensor may be positioned in or near the port(s) 716 .
- FIG. 8 shows an example of a mobile phone (e.g., a smartphone).
- the phone 800 may include a housing 802 that at least partially surrounds a display 804 .
- the housing 802 may include or support a front cover 806 or a rear cover 808 .
- the front cover 806 may be positioned over the display 804 , and may provide a window through which the display 804 (including images displayed thereon) may be viewed by a user.
- the display 804 may be attached to (or abut) the housing 802 and/or the front cover 806 .
- the display 804 may include one or more light-emitting elements or pixels, and in some cases may be an LED display, an OLED display, an LCD, an EL display, a laser projector, or another type of electronic display.
- the display 804 may include, or be associated with, one or more touch and/or force sensors that are configured to detect a touch and/or a force applied to a surface of the front cover 806 .
- a sidewall 818 of the housing 802 may be formed using one or more metals (e.g., stainless steel), polymers (e.g., plastics), ceramics, or composites (e.g., carbon fiber).
- the sidewall 818 may be a multi-segment sidewall including a set of antennas.
- the antennas may form structural components of the sidewall 818 .
- the antennas may be structurally coupled (to one another or to other components) and electrically isolated (from each other or from other components) by one or more non-conductive segments of the sidewall 818 .
- the front cover 806 may be formed, for example, using one or more of glass, a crystal (e.g., sapphire), or a transparent polymer (e.g., plastic) that enables a user to view the display 804 through the front cover 806 .
- a portion of the front cover 806 e.g., a perimeter portion of the front cover 806
- the rear cover 808 may be formed using the same material(s) that are used to form the sidewall 818 or the front cover 806 , or may be formed using a different material or materials.
- the rear cover 808 may be part of a monolithic element that also forms the sidewall 818 (or in cases where the sidewall 818 is a multi-segment sidewall, those portions of the sidewall 818 that are non-conductive).
- all of the exterior components of the housing 802 may be formed from a transparent material, and components within the phone 800 may or may not be obscured by an opaque ink or opaque structure within the housing 802 .
- the front cover 806 may be mounted to the sidewall 818 to cover an opening defined by the sidewall 818 (i.e., an opening into an interior volume in which various electronic components of the phone 800 , including the display 804 , may be positioned).
- the front cover 806 may be mounted to the sidewall 818 using fasteners, adhesives, seals, gaskets, or other components.
- a display stack or device stack including the display 804 (and in some cases the front cover 806 ) may be attached (or abutted) to an interior surface of the front cover 806 and extend into the interior volume of the phone 800 .
- the stack may also include a touch sensor (e.g., a grid of capacitive, resistive, strain-based, ultrasonic, or other type of touch sensing elements), or other layers of optical, mechanical, electrical, or other types of components.
- the touch sensor (or part of a touch sensor system) may be configured to detect a touch applied to an outer surface of the front cover 806 (e.g., to a display surface of the phone 800 ).
- the stack may also include one or an array of sensors 816 , with the sensors positioned in front of or behind, or interspersed with, the light-emitting elements of the display 804 .
- an array of sensors 816 may extend across an area equal in size to the area of the display 804 .
- the array of sensors 816 may extend across an area that is smaller than or greater than the area of the display 804 , or may be positioned entirely adjacent the display 804 .
- the array of sensors 816 is shown to have a rectangular boundary, the array could alternatively have a boundary with a different shape, including, for example, an irregular shape.
- the array of sensors 816 may be variously configured as an ambient light sensor, a light-emitting element (e.g., OLED) health sensor (e.g., age sensor), a touch sensor, a proximity sensor, a health sensor, a biometric sensor (e.g., a fingerprint sensor or facial recognition sensor), a camera, a depth sensor, and so on.
- the array of sensors 816 may also or alternatively function as a proximity sensor, for determining whether an object (e.g., a finger, face, or stylus) is proximate to the front cover 806 .
- the array of sensors 816 may provide the touch sensing capability (i.e., touch sensor) of the stack.
- a force sensor (or part of a force sensor system) may be positioned within the interior volume below and/or to the side of the display 804 (and in some cases within the stack).
- the force sensor (or force sensor system) may be triggered in response to the touch sensor detecting one or more touches on the front cover 806 (or indicating a location or locations of one or more touches on the front cover 806 ), and may determine an amount of force associated with each touch, or an amount of force associated with the collection of touches as a whole.
- the front of the phone 800 may include one or more front-facing cameras 810 , speakers 812 , microphones, or other components 814 (e.g., audio, imaging, and/or sensing components) that are configured to transmit or receive signals to/from the phone 800 .
- a front-facing camera 810 alone or in combination with other sensors, may be configured to operate as a bio-authentication or facial recognition sensor.
- the array of sensors 816 may be configured to operate as a front-facing camera 810 , a bio-authentication sensor, or a facial recognition sensor.
- the phone 800 may also include buttons or other input devices positioned along the sidewall 818 and/or on a rear surface of the phone 800 .
- first and second buttons 820 - 1 , 820 - 2 may be positioned along the sidewall 818 , and in some cases may extend through apertures in the sidewall 818 .
- These buttons 820 - 1 , 820 - 2 may be used to adjust the volume of a speaker, turn the phone 800 off or on, and so on.
- one or both of the buttons 820 - 1 , 820 - 2 may be part of a haptic feedback device, and may be configured as described with reference to any of FIGS. 1 A- 5 B .
- the sidewall 818 may include one or more ports 822 that allow air, but not liquids, to flow into and out of the phone 800 .
- one or more sensors may be positioned in or near the port(s) 822 .
- an ambient pressure sensor, ambient temperature sensor, internal/external differential pressure sensor, gas sensor, particulate matter concentration sensor, or air quality sensor may be positioned in or near a port 822 .
- FIG. 9 shows a sample electrical block diagram of an electronic device 900 , which electronic device may in some cases take the form of one of the devices described with reference to FIGS. 6 - 8 and/or include one or more of the haptic feedback devices described with reference to FIGS. 1 A- 5 B .
- the electronic device 900 may include a display 902 (e.g., a light-emitting display), a processor 904 , a power source 906 , a memory 908 or storage device, a sensor system 910 , or an input/output (I/O) mechanism 912 (e.g., an input/output device, input/output port, or haptic input/output interface).
- a display 902 e.g., a light-emitting display
- a processor 904 e.g., a processor 904 , a power source 906 , a memory 908 or storage device, a sensor system 910 , or an input/output (I/O) mechanism
- the processor 904 may control some or all of the operations of the electronic device 900 .
- the processor 904 may communicate, either directly or indirectly, with some or all of the other components of the electronic device 900 .
- a system bus or other communication mechanism 914 can provide communication between the display 902 , the processor 904 , the power source 906 , the memory 908 , the sensor system 910 , and the I/O mechanism 912 .
- the processor 904 may be implemented as any electronic device capable of processing, receiving, or transmitting data or instructions, whether such data or instructions is in the form of software or firmware or otherwise encoded.
- the processor 904 may include a microprocessor, a central processing unit (CPU), an application-specific integrated circuit (ASIC), a digital signal processor (DSP), a controller, or a combination of such devices.
- CPU central processing unit
- ASIC application-specific integrated circuit
- DSP digital signal processor
- controller or a combination of such devices.
- processor is meant to encompass a single processor or processing unit, multiple processors, multiple processing units, or other suitably configured computing element or elements.
- the components of the electronic device 900 can be controlled by multiple processors.
- select components of the electronic device 900 e.g., the sensor system 910
- other components of the electronic device 900 e.g., the display 902
- the first and second processors may or may not be in communication with each other.
- the power source 906 can be implemented with any device capable of providing energy to the electronic device 900 .
- the power source 906 may include one or more batteries or rechargeable batteries.
- the power source 906 may include a power connector or power cord that connects the electronic device 900 to another power source, such as a wall outlet.
- the memory 908 may store electronic data that can be used by the electronic device 900 .
- the memory 908 may store electrical data or content such as, for example, audio and video files, documents and applications, device settings and user preferences, timing signals, control signals, and data structures or databases.
- the memory 908 may include any type of memory.
- the memory 908 may include random access memory, read-only memory, Flash memory, removable memory, other types of storage elements, or combinations of such memory types.
- the electronic device 900 may also include one or more sensor systems 910 positioned almost anywhere on the electronic device 900 .
- the sensor system(s) 910 may be configured to sense one or more types of parameters, such as but not limited to, light; touch; force; heat; movement; relative motion; biometric data (e.g., biological parameters) of a user; particulate matter concentration, air quality; proximity; position; connectedness; and so on.
- the sensor system(s) 910 may include a heat sensor, a position sensor, a light or optical sensor, an accelerometer, a pressure transducer, a gyroscope, a magnetometer, a health monitoring sensor, a particulate matter sensor, an air quality sensor, and so on.
- the one or more sensor systems 910 may utilize any suitable sensing technology, including, but not limited to, magnetic, capacitive, ultrasonic, resistive, optical, acoustic, piezoelectric, or thermal technologies.
- one or more of the sensor system(s) 910 may include one or more lasers and laser safety circuits as described herein.
- the I/O mechanism 912 may transmit or receive data from a user or another electronic device.
- the I/O mechanism 912 may include the display 902 , a touch sensing input surface, a crown, one or more buttons (e.g., a graphical user interface “home” button), one or more cameras (including an under-display camera), one or more microphones or speakers, one or more ports such as a microphone port, and/or a keyboard. Additionally or alternatively, the I/O mechanism 912 may transmit electronic signals via a communications interface, such as a wireless, wired, and/or optical communications interface. Examples of wireless and wired communications interfaces include, but are not limited to, cellular and Wi-Fi communications interfaces. In some cases, the I/O mechanism 912 may include one or more lasers and laser safety circuits as described herein.
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Abstract
Description
Claims (19)
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US17/200,640 US11977683B2 (en) | 2021-03-12 | 2021-03-12 | Modular systems configured to provide localized haptic feedback using inertial actuators |
CN202210179775.4A CN115079815A (en) | 2021-03-12 | 2022-02-25 | Modular system configured to provide local haptic feedback with inertial actuators |
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US17/200,640 US11977683B2 (en) | 2021-03-12 | 2021-03-12 | Modular systems configured to provide localized haptic feedback using inertial actuators |
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US11380470B2 (en) | 2019-09-24 | 2022-07-05 | Apple Inc. | Methods to control force in reluctance actuators based on flux related parameters |
US11809631B2 (en) | 2021-09-21 | 2023-11-07 | Apple Inc. | Reluctance haptic engine for an electronic device |
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